Yahya related to me from Malik from Amr ibn Yahya al-Mazini fromhis father that the Messenger of Allah, may Allah bless him and granthim peace, said, "There is no injury nor return of injury." (ES)
USC-MSA web (English) reference: Book 36, Hadith 31 (ES)
Arabic reference (ES): Book 36, Hadith 1435 (ES)